Head to head
Siglio vs Lettio MCP
Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.
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MCP server for Siglio. Lets an AI assistant send documents for e-signature by email or text.
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Private, EU-hosted email for AI agents over JMAP: read, search, reply, organize, send.
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Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. The safety scan favours Lettio MCP (93/100 against 55). Lettio MCP is hosted and callable through the gateway; Siglio runs on your own machine. Lettio MCP has noticeably more public adoption.
| Siglio | Lettio MCP | |
|---|---|---|
| User rating | No reviews yet | No reviews yet |
| Safety grade | C55/100 | A93/100 |
| Adoption | New | Growing |
| GitHub stars | – | 0 |
| Downloads / week | 684 | 60 |
| Runs where | Your machine (local) | Hosted (remote) |
| Gateway-ready | No | Yes |
| Tools | 4 | — |
| Write actions | 2 | — |
| Price per call | Free | Free |
| Licence | MIT | MIT |
| Last release | — | 2026-09-15 |
| Category |